Heating device



K. H. BOWEN HEATING DEVICE May 20, 1930.

Filed Jan. 2'. 1929 INVENTOR.

ATTORNEYS Patented May 20, 1930 UNITED STATES-"PATENT -oFFlca KEHNETH H. BOWEN, OF AUBURN, NEW YORK v HEATING DEVICE Application filed January 2, 1929, Serial 1%,329361.

This mventlon relates to a new and imcant-will be lowered sufliciently to interfere I proved heating device and 1s partlcularly with the re-starting of the engine or become adapted for usewlth mternaloombustlon enfrozen, if the temperature of the surroundp A ing atmosphere is suficiently low to produce Inthe case of nternal combustionenglnes such a result. During the time when the 55 m Whlch the Cooling system CODSIStS Of a supheat units carried by the water in the cirply Of Water whlch 1 l e ll ted "aroun he culating system are sufiicient to keep the eny md f the e g e n 15 eeflled y gine and the component parts warm any exmeans of 1% Cellular t and i311 3501 traneous heating meanswouldbe superfluous.

circulating air, the temperature of the Water Furthermore, there are certain times of the e in the circulating system, when the engine is year when the temperature of the atmosphere a not ru g, will e loweredtO the tempera is not sufliciently low to turn the water in. the

ll f t su d g e p I11 circulating system into ice, but is sufliciently case the temperature or the atmosphere 1s below so that the cooling'of the water and lubri- 4' W h freezlng polnt, the water 1n the clrcant and the component parts of the engine on .culating system will freeze, with the liability ill render th r tarting of the engine difiithat certain parts of the ngin radiator cult. Under these conditions,it is"desirable to .will be Cracked or breken y the expansi have an. extraneousheating means which can f the. me 111 the circulatmg sy tem- Fllrbe employed for a selected lengthg'of time thermore even 1f the temperature of the at: prior to the time when it is desired to re-start 7e mosphere 1s not below the freezlngpolnt, the th n in It would of course, be possible coolin 'ofthe water and the consequent coolto put inoperation the extraneous heating nig o the dlflIGIBIlt parts of the engine-will means at any selected time by the manual opmake the starting of the machine diflicult. eration of a switch, but such mode of opera A150, 111 ng O hl h ac r e suption would be inconvenient for the operator, ta p y 0 lllhllcallt' h cylinde s, Crank and thestarting of the heating'means might Shait, etc.,1s usually carried in the base of the be overlooked, due to thehum'an e nation, engme and is kept in a normally fluid condiwith the resulting ill-effects. 'tion by the heat emanating from the cylinders Another object of my lnvention isto'pi'o of the engine. When the engme is stopped vide an automatic means for putting the exso and the-temperature of the oil drops to the traneous heating means in operation at a prer "temperature of the surrounding atmosphere, determined selected time, so that the operit will become more viscous and will to acer- ,ator', by the use of such means, may arrange in, tain extent impede the operation of the enadvance the time at which the heating means 'gine when it is again started. will be put in operation without any neces- I The main object of my invention is to prosity of further attention or action onhis vide a, heating means for the water in the part. cooling system of an internal combustion Other objects and advantages relate tothe engine and heating means for the lubricant size, shape, and arrangement of parts,-all-.as carried in the base'of the engine which may will more fully appear from the following to" bemade operative from a sourceof potential description taken in connection with the ac-' extraneous to theengine itself, so that such eompanying drawings, in which:

heating means may be employed when the j Figure lrisaside elevation-partially broken I 1 away of an internal combustion engine 5 and When an engine has been runningso that radiator with my'device attachedthereto'.-:

the water in the circulating system and the Figure 2 is a section on line 22 ofl iglubricant in the base is in a heated condiure 1. c n

tion, there will be a considerablelapse of v Figure 3 is a rear elevation of my autotime after the engine has been stopped before matic starting means.

the temperature of the water and the lubri- In the drawing, -l is an internal com- 1% engine itselfis inoperative.

' the alarm is wound.

bustion engine having a water-jacket 2 surrounding the cylinders (not shown) and connected to the upper portion of a radiator 3 by a conduit 4. From the lower part of the water jacket a downwardly extending conduit 5 has its lower end connected to a heating unit casing 6, which casing 6 is also in communication with the lower end of radiator 3 through a conduit 7. In casing 6, I provide an electrical resistance unit 8 from which a two-wire cable 9 extends outwardly and downwardly to a contact plug 10 secured to the radiator supporting frame 11.

A second electrical resistance unit 12 is positioned in the base 13 of engine 1 immersed in the lubricant lcontained therein. The resistance unit 12 is connected through a two-wire cable 15 to two-wire cable 9 so that resistance unit 12 is in circuit with resistance unit 8. 7

At a convenient place, as for example, the wall 16 of the garage in which the automobile is stored, I provide a switch 17 of any convenient style having one side connected by means of a cable 18 to a source of potential (not shown), and having the other side connected by a wire 19 to a contact post 20 secured on the rear face of a clock mechanism 21 of the type which is provided with an alarm and a wing-nut 22 by which the alarm is wound. The preferred type consists of that in which the win -nut 22 revolves when 11 one end of wing-nut 22,1 provide a contact post 23, so positioned that when the alarm of the clock mechanism is rung, wing-nut 22 will revolve to bring contact 23 into contact with contact post 20. From contact 23, I lead a wire 24 which is carried in a cable 25 to one side of a contact plug 26. From the other side of contact plug 26 a wire 27 is carried through cable 25 and switch 17 to cable 18 and thence to the source of potential.

7 With plug 26 in position in plug 19, it will be seen that when switch 17 is connected and contact 23 is in electrical contact with contact post 20, the potential will flow through cable 18, switch 17, line 19, contacts 20and 23 and line 24 to plug 26 and thence through plug 26 to one wire in cable 19, and to one wire in cable 18, through resistance units 8 and 12 and thence back through the second wire in cables 15 and 19 through plugs 10 and 26 and wire 27 back to the source ofpotential to complete the circuit.

With the parts in the position just described, the water in the circulating system R adjacent resistance unit 8 will become heated and by a thermo-siphon action will move upwardly, the colder water in the system moving downwardly to become heated, with the result that-all of the water in the water circulating system will be raised to a temperature which will heat the engine to an, easily operable conditionv and which will also preswitch 17 an anchor vent freezing of the water. Similarly the oil 1 1 in the base of the engine, in which the resistance unit 12 is immersed, will also become heated which will prevent its becoming viscous.

So that the winding and setting of the clock and alarm mechanism may be conveniently done, I provide on wall 16 adjacent plate 28 in which the clock mechanism 21 is slidably mounted and from which it may easily be removed.

7 Operation When it is desired to use my device, the automobile with which it is to be used is placed in-a position so that plug 26 may be inserted into plug 10. The clock mechanism 21 is then set and started, the wing-nut 22 turned in a clock-wise direction to wind the away from contact post 20, the electrical circuit to resistance units 8 and 12 remains broken. When sufiicient time has elapsed so that the starting time of the alarm has been reached, the alarm mechanism of the clock will automatically start, with the result that wing-nut 22 will revolve in an anti-clockwise direction to bring contact 23 into electrical' contact with contact post 20 to complete the circuit from the source of potential to the resistance units 8 and 12.

It will be apparent that with this device the resistance units 8 and 12 may be caused to start at any predetermined time with nothing further required from the operator beyond the initial adjustment of the mechanism.

It will also be understood that the particular type of clock mechanism which is used may be varied as desired provided only that it be provided with a rotating or otherwise movable member, the movement of which is initiated at any time selected by the operator.

It will also be understood that the par- :ticular size, type, and location of the resist ance units may be varied, for although I have shown and described a specific structure and form of part as an exemplification of an embodiment of m invention, Ido not desire to restrict myse f to the exact size, shape or relation of parts as various changes may be made within the scope of the appended claims. .l

I claim: I

1. In a device of the class described, an automobile engine, a water circulating system for cooling the engine, a heating unit in and forming a permanent part of the water circulating system, an extraneous source of potential, an electrical circuit connecting the heating unit and the source of potential, an extraneous clock operated switch interposed in said circuit, and a manually operated means interposed in said circuit to permit apart of the circuit to be disconnected from the portion of the circuit which includes the heating unit.

2. In a device of the class described, an automobile engine having a fluid space, a heating unit in said space and forming a permanent part of the engine, an extraneous source of potential,an electrical circuit connecting the heating unit to the source of potential, manually operated means for connecting or disconnecting a portion of the circuit to or from 'the portion which includes the heating unit, and an extraneous switch interposed in the circuit and having one contact member mounted on a movable part of a clock mechanism.

In witness whereof I have hereunto set my hand this 24th day of December, 1928.

KENNETH H. BOWEN. 

